Cultivation: potted plants, changing pots every spring, pruning and shaping, cutting off dead branches and short cut branches to promote the formation of more flower branches. Fertilize 1 time every half month in the growth period, and apply more phosphorus and potassium fertilizer 1-2 times in the flowering period to keep the basin soil moist in midsummer. In winter, the old plants should be properly planted and regenerated to promote the re-emergence of new branches. When cultivated in the open field, furrow should be opened and fertilized every winter, and water should be poured when the weather is dry to keep the soil moist. In winter, the above-ground part withered and renovated in time, which was beneficial to the germination of new branches in the next spring.
Clever control of diseases of herbaceous flowers at seedling stage
The damping-off and damping-off are the main diseases of herbaceous flowers at seedling stage, and cockscomb, bunch of red flowers, marigold and impatiens are easy to be infected. The pathogens are different, but the control methods are similar. Prevention and control measures: 500 times solution of 50% carbendazim wettable powder was soaked for 65438 0 hours; Spraying 95% luheng 1 3000 times solution on the seedling substrate for sterilization; The sowing amount should not be too large, and the bottom water should not be too much when sowing. It is necessary to ensure that there is no need to water after sowing and before spitting. Avoid high temperature and humidity in nursery places; When diseases are found, the diseased seedlings and the seedlings around them should be eliminated in time. Spraying 15% hymexazol 450 times in the early stage of damping-off disease, and spraying 20% methylphosphorus EC 1000 times in the early stage of damping-off disease; When damping-off disease and damping-off disease occur at the same time, 800 times of 72.2% water-repellent agent and 800 times of 50% thiram wettable powder are sprayed. Every square meter should be sprayed with 2~3 kilograms of liquid medicine.
What is the flower language of flower ivory?
Ivory is very gorgeous, and crimson flowers look beautiful like a string of red crescent moons. It is a good product for decorating the home during the Spring Festival. It not only has ornamental function, but also can be used as medicine, which plays a good role in anesthesia and sedation, and its root insecticidal effect is better, which can be said to be a treasure all over.
The flower language of ivory: glory
Ivory red, also known as poinsettia and poinsettia, is a color-changing foliage plant native to tasco. Poinsettia is usually sixty centimeters to three meters high, and its dark green leaves are about seven to sixteen centimeters long. The top leaves are fiery red, red or white, so they are often mistaken for flowers. The real flowers are among the leaves.
The flowering period lasts from1February to February of the following year, and coincides with Christmas and New Year's Day, which is very suitable for the festive atmosphere. Euphorbia pulcherrima can be used as a medicinal plant, which has the functions of promoting blood circulation, resolving phlegm, setting bones and reducing swelling. Poinsettia is widely planted in tropical and subtropical regions. Most provinces, autonomous regions and municipalities in China are cultivated, while Guangdong, Guangxi and Yunnan are cultivated in the open field, and the plants can reach 2 meters. Common in parks, botanical gardens and greenhouses.
Christmas red, Christmas red is Christmas, so it is called Christmas red. Christmas red is a flower suitable for any blessing and occasion. Especially those big red leaves, give people a beaming look, as if holding hands to congratulate people. Give people a festive feeling. It is the best flower to represent Christmas. At some weddings, you can also see red and white orangutans decorating the auditorium.
This makes the atmosphere of the wedding more warm and lively. It gives people a sense of nobility and glory, so its flowery language is glory. When poinsettia is used as a cut flower, it may be better to mix it with some dark green pine leaves and decorate it with some small objects such as small bells. However, it is particularly important to note that when the red leaves are not fully grown, they are easily injured, and white milk will appear after the injury, so we must pay more attention.
Cultivation techniques and disease control of asparagus
Asparagus, also known as Phyllostachys yunnanensis and asparagus grass, belongs to Liliaceae. Cultivated varieties include dwarf asparagus and big asparagus. Morphology and habit
Asparagus is a perennial herb vine with tender and slender stems and climbing. Roots slightly fleshy; The leafy branches are slender and tufted, shaped like feathers and spread horizontally; Leaves 3 mm -5 mm long, 6-12 clustered, cylindrical, with spiny scales; Flowers are small, bisexual, white, and bloom from February to March or June to July; The paddles are spherical and purple-black. Its bright green and lovely pinnate leaves stretch obliquely into sheets, like a floating Lv Yun. It is an excellent foliage plant, which is suitable for the decoration of halls, meeting places and desks, and is also an excellent foil material commonly used in flower arranging and flower baskets. It is also a very popular foliage plant with the largest sales volume in the flower market.
origin
South Africa is cultivated in gardens all over the world. Sexual preference is warm and humid, slightly resistant to shade, drought and frost, and the room temperature in winter is not lower than 5℃. I like to be born in loose and fertile sand.
Propagation and cultivation
Reproduce by sowing or dividing plants. First of all, seed plants should be cultivated for sowing and reproduction. Potted plants generally can't blossom and bear fruit, and seed plants should be planted indoors: plants that are healthy for 2 -3 years should be planted in the shade (mostly in the corner of greenhouse), and scaffolding should be set up to let them climb naturally. Sow mature seeds in shallow pots in spring and cover them with film or glass to keep the soil moist. It can germinate in about 30 days at 20℃-25℃. When the height of seedlings is 4 cm -5 cm and 8 cm-10 cm, they can be planted in pots or cultivation beds. Large plants that grow for 4 -5 years can be propagated by dividing plants, and clumps can be divided into 2 -3 plants in a pot or a clump. Keep it in the semi-shade until new leaves or plants grow. However, the newly separated plants are not perfect in shape and need to be maintained and shaped before they can be put on the market.
The soil of potted asparagus is mostly composed of humus soil, garden soil, sand, manure or phosphorus and potassium fertilizer according to the volume ratio of 5: 2: 2: 1. In the process of cultivation, the pot soil is required to be semi-dry and semi-wet. In summer, it should be placed in a semi-shady place and often sprayed on the leaves to keep the air humidity; The room temperature should not be lower than 5℃ in winter, otherwise it will die.
In order to produce a large number of leaf materials for flower arrangement, asparagus can be planted in a large area. Ground planting generally overwinters in plastic greenhouses and is covered with sunshade nets in summer to create semi-shady growth conditions for it. Ground planting requires the same soil as potted plants, but asparagus planted on the ground is flourishing and growing rapidly, so it needs to be erected in time to facilitate ventilation and high yield. At the same time, it should be trimmed in time to prevent bone meal or phosphate fertilizer from being applied before flowering. During the growth period of asparagus, the dilute liquid fertilizer with nitrogen and potassium as the main component can be topdressing every 10 day/time. Be careful not to infect the leaves when applying fertilizer, or spray the leaves after applying fertilizer to avoid the damage of fertilizer to the leaves.
plant diseases and insect pests
Asparagus and asparagus belong to Liliaceae, and the common pests and diseases are aphids in rainy season. When aphid damage occurs, 40% dimethoate and omethoate 1500 -2500 times can be sprayed. But in summer, it should be sprayed in the morning or evening when the temperature is low to avoid phytotoxicity.